CN113294967B - Wine barrel connecting structure of beer machine - Google Patents

Abstract

The invention provides a wine barrel connecting structure of a beer machine, and belongs to the technical field of beverage equipment. It has solved the relatively poor and inconvenient problem of installation of cooling effect of the interior cask of current beer machine. This cask connection structure of beer machine, beer machine includes the box and sets up the refrigerator in the box, the box has the front side and is uncovered form inner chamber, this cask connection structure is including seting up on inner chamber both sides wall and being long banding spacing groove, and the outer end of spacing groove runs through to open border department, the upper end of cask has a plurality of stoppers, the stopper slides in the spacing groove and supports to make the cask set up including on the cell wall under the spacing groove from the port of spacing groove outer end respectively, and the unsettled setting in bottom of cask, all form cooling gap between the side of cask and the box and between the bottom surface of cask and the box, the refrigeration export and the cooling gap intercommunication of refrigerator. This cask connection structure of beer machine can make the convenience more of dismouting of cask when promoting cask cooling effect.

Description

Wine barrel connecting structure of beer machine

Technical Field

The invention belongs to the technical field of beverage equipment, and relates to a wine barrel connecting structure of a beer machine.

Background

Beer is a beverage of wine that receives masses 'liking, it is summer mostly to drink beer, and drink beer refrigeration back usually, and the refrigeration of ordinary beverage on the market is basically taken out after it freezes by large-scale refrigerator or freezer and drinks, but this kind of mode cost is higher, the power consumption is big, the time is of a specified duration and it is inconvenient to take, it is unsuitable to the people that need drink in a large number, consequently current small-size domestic or commercial beer machine receives people's favor more and more, it can conveniently pour beer, and refrigeration convenient and fast.

For example, the Chinese patent application (patent application No. 201710801247.7) discloses a barrelled beer refrigerator, which comprises a box body, at least one semiconductor refrigerating mechanism, an air pressure beer discharging component and a control mechanism, wherein the box body comprises a bottom cover, a side wall and a top wall, the bottom cover, the side wall and the top wall enclose an inner cavity for accommodating a beer barrel, the inner wall of the box body is provided with a heat insulation layer, a refrigerating space is reserved between the heat insulation layers of the top wall and the side wall and the beer barrel, the heat insulation layer of the inner wall is provided with at least one through hole, the semiconductor refrigerating mechanism is arranged in the through hole, the cold end of the semiconductor refrigerating mechanism absorbs heat from the refrigerating space, the heat insulation layer of the side wall is provided with a groove, the inner wall of the bottom cover is provided with a supporting cushion block for supporting the beer barrel, the air pressure beer discharging component comprises an air bottle, a distributor, an air pipe, a beer discharging pipe channel and a beer discharging pipe, the air bottle is arranged in the groove, the distributor is arranged on the beer barrel and is connected with a beer lance of the beer barrel, tracheal one end is connected with the gas outlet of the relief pressure valve of gas cylinder, the other end is connected with the distributor, go out the wine pipe passageway and set up on the lateral wall of box lower part and communicate the box inside and outside, the one end that goes out the wine pipe passageway and be located outside the box is equipped with out the wine valve, it is connected with the distributor to go out wine pipe one end, the other end is connected with a wine valve through going out the wine pipe passageway, control mechanism includes the touch-control display screen, treater and temperature sensor, the touch-control display screen sets up the operation department at the box top, temperature sensor sets up in cold-stored space, treater and power are connected, the touch-control display screen, temperature sensor and semiconductor refrigeration mechanism are connected with the treater.

The structure adopts the semiconductor refrigerating mechanism to refrigerate the beer barrel, but the whole beer barrel is placed on the cushion supporting block on the inner wall of the bottom cover, the bottom of the beer barrel is abutted against the cushion supporting block at the moment, the semiconductor refrigerating mechanism is arranged above the beer barrel to refrigerate, but cold air is difficult to enter between the bottom wall of the beer barrel and the box body under the obstruction of the cushion supporting block due to the abutting of the bottom of the beer barrel and the cushion supporting block, so that the whole beer barrel is cooled unevenly, and the cooling effect of the whole beer refrigerating box is influenced; and whole beer barrel is put the setting upside down on holding in the palm the cushion, connects the box again, in the installation, has leaded to being connected between beer barrel and the box inconvenient, has influenced the assembly efficiency of beer barrel fridge.

Disclosure of Invention

The invention aims to provide a wine barrel connecting structure of a beer machine aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to solve the relatively poor and inconvenient problem of installation of cooling effect of cask in current beer machine.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a cask connection structure of beer machine, beer machine include the box and set up the refrigerator in the box, the box has the front side and is uncovered form inner chamber, its characterized in that, this cask connection structure just is banding spacing groove including seting up on inner chamber both sides wall, and the outer end of spacing groove runs through to open border department, the upper end of cask has a plurality of stoppers, the stopper slides in the spacing groove and supports to make the cask set up including the intracavity on the cell wall under the spacing groove from the port of spacing groove outer end respectively, and the unsettled setting in bottom of cask, all form the cooling gap between the side of cask and the box and between the bottom surface of cask and the box, the refrigeration export and the cooling gap intercommunication of refrigerator.

The working principle is as follows: the front end of the inner cavity is open, the limiting block slides into the limiting groove from the port at the outer end of the limiting groove, the lower end of the limiting block is placed on the lower groove wall of the limiting groove, the wine barrel is arranged in the inner cavity, the wine barrel is limited in the inner cavity by the gravity of the limiting block, so that the wine barrel is more convenient to assemble and disassemble, the bottom of the wine barrel after being installed is arranged in a suspension manner, cooling gaps are formed between the side surface of the wine barrel and the box body and between the bottom surface of the wine barrel and the box body, when the refrigerator cools the whole wine barrel, the refrigerating outlet of the refrigerator flows cold air into the cooling gaps, so that the cold air can circularly cool the bottom surface and the side surface of the wine barrel back and forth, the cooling effect of each part of the wine barrel is more uniform, and partial wine liquid in the wine barrel is prevented from being cooled and still not cooled, thereby realizing the quick and stable cooling of the wine barrel, thereby can pass through the high-speed joint of cask and box to owing to be that the stopper at cask top is connected with the box, make the unsettled setting of bottom ability of cask, can make the dismouting of cask more convenient when promoting cask cooling effect.

In foretell beer machine's cask connection structure, be connected with the reference column that the tip is located the inner of spacing groove and sets up along the length direction of spacing groove on the box, set up the positioning groove that can supply the reference column embedding on one of them stopper, the reference column imbeds in the positioning groove and is connected with the stopper tight fit.

After the limiting block is slidably embedded into the limiting groove, the limiting block is slid into the positioning column to be embedded into the positioning groove, so that the stable connection of the limiting block and the positioning column is realized, the connection of the whole wine barrel is fixed and more stable, the whole positioning process is only realized by sliding the limiting block in place, other installation steps are not added, and the whole wine barrel is more convenient and concise to install.

In the above wine barrel connecting structure of the beer machine, the limiting block is provided with a connecting pipe communicated with the inside of the wine barrel in the positioning groove, the box body is provided with an air pump and a conveying pipeline communicated with an air outlet end of the air pump, the positioning column is provided with a flow passage communicated with the conveying pipeline, a one-way valve is arranged in the connecting pipe, the positioning column is embedded into the positioning groove and pushes a valve core of the one-way valve to move towards the direction of the connecting pipe so as to open the one-way valve, and the valve core of the one-way valve is embedded into the flow passage so as to communicate the connecting pipe with the conveying pipeline.

When the stopper slips into the spacing groove and fixes a position the cask through reference column and positioning groove's cooperation, the case through reference column promotion check valve moves to opening the check valve, the case of check valve inserts in the runner of reference column and makes connecting pipe and pipeline intercommunication this moment, thereby make gas in the air pump from pipeline, the check valve after runner and the intercommunication flows into in the connecting pipe, and flow into inside the cask through the connecting pipe, thereby can play the pressurized effect to the cask, and then can extrude the wine liquid pressurization in the cask, further messenger also can play the pressurized effect to the wine liquid in the cask when the installation, make the use of beer machine more convenient.

The air pump in the present case self has pressure measurement, consequently when the atmospheric pressure in the air pump delivery line was too high, the air pump will stop work, and after atmospheric pressure reduced, the air pump can automatic start and with gas delivery to the cask inside.

In the above wine barrel connecting structure of the beer machine, the one-way valve includes a valve seat, the valve core is disposed in the valve seat, the rod portion of the valve core has a gas passage communicated with the flow passage, and the head portion of the valve core can abut against the valve seat and close the one-way valve.

The setting of this structure for in the air of reference column inner flow way can be more quick flows into the check valve, the gas channel of crossing of the pole portion of case this moment is with runner and connecting pipe intercommunication, the pressurization to the cask has been realized, and when taking out the cask, there is not the case motion of reference column promotion check valve this moment, be provided with reset spring between disk seat and case, reset spring promotes the head and the disk seat counterbalance of case and leans on, thereby close the check valve, the quality of influence cask interior wine liquid in the cask has been avoided other air admission to the cask in the installation, further promotion beer machine convenience of using.

In the above-mentioned cask connection structure of beer machine, the stopper still has along keeping away from the spacing face that the tank bottom butt of spacing groove leaned on and the spacing face that leans on of spacing groove direction slope set up downwards, the face of leaning on is the horizontal plane, the spacing face is located the spacing groove outsidely.

Lean on the setting of face on the stopper for the weight of cask most is transmitted for the box through the stopper, guaranteed the stability of cask after the installation, and the setting of spacing face, can play the effect that carries out the water conservancy diversion to the cold air of refrigerator, make the cold air that the refrigerator flows act on the bucket wall of cask under the guide effect of spacing face, also avoided the stopper from the notch roll-off of spacing groove, further promotion the refrigeration effect of cooling device and the stability of cask installation.

In foretell beer machine's cask connection structure, be equipped with four stoppers on the cask, wherein two stoppers are located same spacing inslot, and two other stoppers are located another spacing inslot, the protruding piece that supports of forming of lower cell wall department of spacing groove outer end, the diapire of spacing groove all has from keeping away from the direction that supports the piece to being close to the direction slope of supporting the piece and setting up the spigot surface down, and one of them stopper that is located same spacing inslot can slide and set up on the lower cell wall of spacing groove along the spigot surface, and another stopper of cask homonymy supports with supporting by the piece and lean on.

Due to the arrangement of the guide surface, the limiting block can slide into the limiting groove more quickly, and the convenience of installing the wine barrel is improved; and the setting of the leaning block reduces the height difference between the two limit blocks positioned at the same side, thereby avoiding the wine barrel from inclining after being installed and positioned, and further improving the stability of the wine barrel positioning.

In the wine barrel connecting structure of the beer machine, the four limiting blocks form flowing gaps, and the flowing gaps are communicated with the cooling gaps.

The arrangement of the flowing gap enables the top surface of the wine barrel to be cooled by the refrigerator, so that the cooling effect of the wine barrel is further improved; the communication between the flow gap and the cooling gap enables the cold air of the refrigerator to circularly flow in the box body in an annular mode, and therefore the cooling effect of the cooling device can be further enhanced.

In the cask connection structure of foretell beer machine, the reference column has the elasticity jack catch that can draw close each other, the installing port has been seted up on the box, the elasticity jack catch of reference column can imbed in the installing port and with the box joint.

The structure is arranged, so that the positioning column can be assembled and disassembled more conveniently and concisely, and can be directly and quickly disassembled and replaced after being damaged.

In the above-mentioned cask connection structure of beer machine, the mounting panel has in the box, the cask is located one side of mounting panel, the refrigerator is located the opposite side of mounting panel, set up the mounting hole with the cooling gap intercommunication on the mounting panel, the refrigerator is including setting up the cooling blower in the mounting hole.

The arrangement of the structure ensures that the arrangement of the refrigerator does not influence the loading and unloading of the wine barrel, and the refrigerator only refrigerates the space of the wine barrel, thereby further enhancing the refrigerating effect of the wine barrel.

In the above wine barrel connecting structure of the beer machine, the mounting hole is located at the upper end of the mounting plate.

Because cold volume is down, consequently with the mounting hole setting in the upper end of mounting panel for the cold air also can cool off the upper end of cask, has avoided just piling up in the below after the cold air cask is leading-in all the time, further promotion cooling device's cooling effect.

Compared with the prior art, this cask connection structure of beer machine has following advantage:

1. when the refrigerator cools the whole wine barrel, the refrigerating outlet of the refrigerator flows cold air into the cooling gap, so that the cold air can circularly cool the bottom surface and the side surface of the wine barrel back and forth, the cooling effect of each part of the wine barrel is more uniform, the cooling of partial wine in the wine barrel is avoided, and partial wine is still in an uncooled state, so that the wine barrel can be cooled quickly and stably.

2. The setting of spacing face can play the effect that carries out the water conservancy diversion to the cold air of refrigerator for the cold air that the refrigerator flows is used in on the bucket wall of cask under the guide effect of spacing face, has also avoided the stopper from the notch roll-off of spacing groove, further promotion cooling device's the refrigeration effect and the stability of cask installation.

Drawings

FIG. 1 is a top view of the assembled cask connecting structure of the beer machine.

Fig. 2 is a cross-sectional view a-a of fig. 1.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a sectional view of B-B in fig. 1.

FIG. 5 is a schematic view of a part of the structure of the case in the cask connecting structure of the beer machine.

FIG. 6 is a schematic view of the structure of the barrel of the beer machine.

Fig. 7 is a partially enlarged view at B in fig. 6.

FIG. 8 is a schematic structural view of a positioning post in the connecting structure of the wine barrel of the beer machine.

In the figure, 1, a wine barrel; 11. a limiting block; 111. a limiting surface; 112. an abutting surface; 113. a positioning groove; 114. a connecting pipe; 114a, a one-way valve; 114b, a valve core; 114c, a gas passage; 114d, valve seat; 115. a flow void; 2. a box body; 21. an inner cavity; 22. a limiting groove; 221. a guide surface; 222. a leaning block; 23. a delivery line; 24. an abutting portion; 25. mounting a plate; 251. mounting holes; 26. an installation port; 3. a refrigerator; 31. a refrigeration fan; 4. cooling the gap; 5. an air pump; 6. a positioning column; 61. a flow channel; 62. elastic claw.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the beer machine wine barrel connecting structure comprises a box body 2 and a refrigerator 3 arranged in the box body 2, wherein the box body 2 is provided with an inner cavity 21 with an open front side.

Specifically, as shown in fig. 1-8, the wine barrel connecting structure includes elongated limiting grooves 22 formed on two side walls of an inner cavity 21, a plurality of limiting blocks 11 are disposed at the upper end of the wine barrel 1, the limiting blocks 11 respectively slide into the limiting grooves 22 from the end ports at the outer ends of the limiting grooves 22 and abut against the lower groove wall of the limiting grooves 22 to enable the wine barrel 1 to be disposed in the inner cavity 21, the bottom of the wine barrel 1 is suspended, cooling gaps 4 are formed between the side surfaces of the wine barrel 1 and the box body 2 and between the bottom surface of the wine barrel 1 and the box body 2, and a refrigeration outlet of the refrigerator 3 is communicated with the cooling gaps 4.

The working principle is as follows: the front end of the inner cavity 21 of the box body 2 is open, the limiting block 11 slides into the limiting groove 22 from the port at the outer end of the limiting groove 22, at the moment, the lower end of the limiting block 11 is placed on the lower groove wall of the limiting groove 22, the wine barrel 1 is arranged in the inner cavity 21, the wine barrel 1 is limited in the inner cavity 21 by the gravity of the limiting block 11, so that the wine barrel 1 is more convenient to assemble and disassemble, at the moment, the bottom of the mounted wine barrel 1 is arranged in a suspension manner, so that cooling gaps 4 are formed between the side surface of the wine barrel 1 and the box body 2 and between the bottom surface of the wine barrel 1 and the box body 2, when the refrigerator 3 cools the whole wine barrel 1, the refrigerating outlet of the refrigerator 3 flows cold air into the cooling gaps 4, so that the cold air can circulate and cool back and forth on the bottom surface and the side surface of the wine barrel 1, the cooling effect of each part of the wine barrel 1 is more uniform, and partial wine in the wine can be prevented from being cooled and still not cooled, thereby can pass through the high-speed joint of cask 1 with box 2 to owing to be that the stopper 11 at 1 top of cask is connected with box 2, make the unsettled setting of bottom of cask 1, can make the dismouting of cask 1 more convenient when promoting 1 cooling effect of cask.

The refrigerator 3 is a semiconductor refrigerator.

As shown in fig. 1-4, the case 2 is connected with a positioning post 6 having an end located at the inner end of the limiting groove 22 and disposed along the length direction of the limiting groove 22, one of the limiting blocks 11 is provided with a positioning groove 113 for the positioning post 6 to be embedded, and the positioning post 6 is embedded in the positioning groove 113 and is tightly fitted and connected with the limiting block 11.

As shown in fig. 2-7, a connecting pipe 114 communicated with the inside of the wine barrel 1 is arranged in the positioning groove 113 of the limiting block 11, an air pump 5 and a conveying pipeline 23 communicated with an air outlet end of the air pump 5 are arranged in the box body 2, the positioning column 6 has a flow passage 61 communicated with the conveying pipeline 23, a one-way valve 114a is arranged in the connecting pipe 114, the positioning column 6 is embedded in the positioning groove 113 and pushes a valve core 114b of the one-way valve 114a to move towards the direction of the connecting pipe 114 to open the one-way valve 114a, and the valve core 114b of the check valve 114a is embedded in the flow passage 61 to communicate the connecting pipe 114 with the conveying pipeline 23, the check valve 114a comprises a valve seat 114d, the valve core 114b is arranged in the valve seat 114d, the rod part of the valve core 114b is provided with a gas passing channel 114c communicated with the flow passage 61, a return spring is arranged between the valve seat 114d and the valve core 114b, when the positioning post 6 is not inserted into the positioning groove 113, the return spring can push the head of the valve core 114b against the valve seat 114d and close the check valve 114 a.

As shown in fig. 2 and 6, the limiting block 11 further has a limiting surface 111 disposed downward in an inclined manner along a direction away from the limiting groove 22, and an abutting surface 112 abutting against a lower groove wall of the limiting groove 22, the abutting surface 112 is a horizontal plane, and the limiting surface 111 is located outside the limiting groove 22.

As shown in fig. 2-7, four limiting blocks 11 are disposed on the wine barrel 1, wherein two limiting blocks 11 are disposed in the same limiting groove 22, the other two limiting blocks 11 are disposed in the other limiting groove 22, a lower groove wall of an outer end of the limiting groove 22 protrudes to form an abutting block 222, bottom walls of the limiting grooves 22 are provided with guide surfaces 221 which are inclined downward from a direction far away from the abutting block 222 to a direction close to the abutting block 222, one limiting block 11 disposed in the same limiting groove 22 can slide along the guide surfaces 221 and is disposed on the lower groove wall of the limiting groove 22, the other limiting block 11 on the same side of the wine barrel 1 abuts against the abutting block 222, flow gaps 115 are formed between the four limiting blocks 11, and the flow gaps 115 are communicated with the cooling gaps 4.

As shown in fig. 8, the positioning column 6 has elastic claws 62 that can be drawn close to each other, a mounting opening 26 is opened on the box body, an abutting portion 24 that can be abutted by the elastic claws 62 is further provided on the box body 2, and the elastic clamping column 62 of the positioning column 6 can be embedded into the mounting opening 26 and abut against the abutting portion 24 to clamp the positioning column 6 to the box body 2.

As shown in fig. 4, the box 2 has a mounting plate 25 therein, the barrel 1 is located at one side of the mounting plate 25, the refrigerator 3 is located at the other side of the mounting plate 25, a mounting hole 251 communicated with the cooling gap 4 is opened on the mounting plate 25, the refrigerator 3 includes a cooling fan disposed in the mounting hole 251, and the mounting hole 251 is located at the upper end of the mounting plate 25.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (8)

1. A wine barrel connecting structure of a beer machine comprises a box body (2) and a refrigerator (3) arranged in the box body (2), wherein the box body (2) is provided with an inner cavity (21) with an open front side, and is characterized in that the wine barrel connecting structure comprises limit grooves (22) which are arranged on two side walls of the inner cavity (21) and are in a long strip shape, the outer ends of the limit grooves (22) penetrate through to the open edge, a plurality of limit blocks (11) are arranged at the upper end of a wine barrel (1), the limit blocks (11) respectively slide into the limit grooves (22) from the ports at the outer ends of the limit grooves (22) and abut against the lower groove walls of the limit grooves (22) to enable the wine barrel (1) to be arranged in the inner cavity (21), the bottom of the wine barrel (1) is suspended, cooling gaps (4) are formed between the side surfaces of the wine barrel (1) and the box body (2) and between the bottom surface of the wine barrel (1) and the box body (2), the refrigerator comprises a refrigerator body (3), a refrigeration outlet of the refrigerator body (3) is communicated with a cooling gap (4), a positioning column (6) with the end part located at the inner end of a limiting groove (22) and arranged along the length direction of the limiting groove (22) is connected onto the refrigerator body (2), a positioning groove (113) capable of being embedded into the positioning column (6) is formed in one limiting block (11), the positioning column (6) is embedded into the positioning groove (113) and is tightly matched with the limiting block (11), a connecting pipe (114) communicated with the interior of a wine barrel (1) is arranged in the positioning groove (113) of the limiting block (11), an air pump (5) and a conveying pipeline (23) communicated with an air outlet end of the air pump (5) are arranged in the refrigerator body (2), the positioning column (6) is provided with a flow channel (61) communicated with the conveying pipeline (23), a one-way valve (114a) is arranged in the connecting pipe (114), and the positioning column (6) is embedded into the positioning groove (113) and pushes a valve core (114a) of the one-way valve (114a) b) The movement toward the connecting pipe (114) opens the check valve (114a), and the valve element (114b) of the check valve (114a) is fitted into the flow passage (61) to communicate the connecting pipe (114) with the delivery pipe (23).

2. The cask connecting structure of a beer machine according to claim 1, wherein the one-way valve (114a) includes a valve seat (114d), the valve core (114b) is disposed in the valve seat (114d), a stem portion of the valve core (114b) has an air passage (114c) communicated with the flow passage (61), and a head portion of the valve core (114b) can abut against the valve seat (114d) and close the one-way valve (114 a).

3. The wine barrel connecting structure of the beer machine according to claim 1 or 2, wherein the limiting block (11) further comprises a limiting surface (111) which is obliquely arranged downwards along a direction away from the limiting groove (22) and an abutting surface (112) which abuts against the groove bottom of the limiting groove (22), the abutting surface (112) is a horizontal surface, and the limiting surface (111) is positioned outside the limiting groove (22).

4. The wine barrel connecting structure of a beer machine according to claim 1, wherein four limiting blocks (11) are arranged on the wine barrel (1), two limiting blocks (11) are positioned in the same limiting groove (22), the other two limiting blocks (11) are positioned in the other limiting groove (22), the lower groove wall of the outer end of the limiting groove (22) protrudes to form an abutting block (222), the bottom walls of the limiting grooves (22) are respectively provided with a guide surface (221) which is inclined and downwards from the direction far away from the abutting block (222) to the direction close to the abutting block (222), one limiting block (11) positioned in the same limiting groove (22) can slide along the guide surface (221) and is arranged on the lower groove wall of the limiting groove (22), and the other limiting block (11) abuts against the abutting block (222).

5. A beer keg connection structure for a beer machine according to claim 4, characterized in that flow gaps (115) are formed between the four stoppers (11), said flow gaps (115) communicating with the cooling gap (4).

6. The wine barrel connecting structure of the beer machine according to claim 1, wherein the positioning column (6) is provided with elastic claws (62) which can be drawn close to each other, the box body (2) is provided with an installation opening (26), and the elastic claws (62) of the positioning column (6) can be embedded into the installation opening (26) and clamped with the box body (2).

7. A cask connecting structure of a beer machine according to claim 1 or 2, characterized in that the case (2) has a mounting plate (25) therein, the cask (1) is located at one side of the mounting plate (25), the refrigerator (3) is located at the other side of the mounting plate (25), the mounting plate (25) is provided with a mounting hole (251) communicating with the cooling gap (4), and the refrigerator (3) includes a cooling fan (31) disposed in the mounting hole (251).

8. The cask connecting structure of a beer machine according to claim 7, wherein the mounting hole (251) is located at an upper end of the mounting plate (25).

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